The cryptographic signature guarantees the file is safe to install and was not tampered
with in any way.

Get the official Google Calendar app for your Android phone and tablet to save time and make the most of every day.
• Different ways to view your calendar - Quickly switch between month, week and day view.
• Events from Gmail - Flight, hotel, concert, restaurant reservations and more are added to your calendar automatically.
• To-dos - Use Reminders to create and view to-dos alongside your events.
• Goals - Add personal goals—like “run 3 times a week”—and Calendar will schedule time for them automatically.
• All your calendars in one place - Google Calendar works with all calendars on your phone, including Exchange.